diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h index b834ef6d59fa459ca793a004c311fe363e5a68fa..61549b26ad6f4dd114250ac00b170a1f734fd21b 100644 --- a/include/linux/genetlink.h +++ b/include/linux/genetlink.h @@ -80,4 +80,12 @@ enum { #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1) +#ifdef __KERNEL__ + +/* All generic netlink requests are serialized by a global lock. */ +extern void genl_lock(void); +extern void genl_unlock(void); + +#endif /* __KERNEL__ */ + #endif /* __LINUX_GENERIC_NETLINK_H */ diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index a4b6e148c5dec4ceba8a4aa5ef964353433e2d6a..a28fda7420d9d2699cb0c0f7a6707ecd9bd0503c 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -20,15 +20,17 @@ static DEFINE_MUTEX(genl_mutex); /* serialization of message processing */ -static inline void genl_lock(void) +void genl_lock(void) { mutex_lock(&genl_mutex); } +EXPORT_SYMBOL(genl_lock); -static inline void genl_unlock(void) +void genl_unlock(void) { mutex_unlock(&genl_mutex); } +EXPORT_SYMBOL(genl_unlock); #define GENL_FAM_TAB_SIZE 16 #define GENL_FAM_TAB_MASK (GENL_FAM_TAB_SIZE - 1)